518403080

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{32159}}^1$

素因数の和:32214

約数の個数: 64

約数和(自身を含む): 1296691200

約数和(自身を除く): 778288120

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 31, 40, 52, 62, 65, 104, 124, 130, 155, 248, 260, 310, 403, 520, 620, 806, 1240, 1612, 2015, 3224, 4030, 8060, 16120, 32159, 64318, 128636, 160795, 257272, 321590, 418067, 643180, 836134, 996929, 1286360, 1672268, 1993858, 2090335, 3344536, 3987716, 4180670, 4984645, 7975432, 8361340, 9969290, 12960077, 16722680, 19938580, 25920154, 39877160, 51840308, 64800385, 103680616, 129600770, 259201540, 518403080]

約数ペア:

[(1, 518403080), (2, 259201540), (4, 129600770), (5, 103680616), (8, 64800385), (10, 51840308), (13, 39877160), (20, 25920154), (26, 19938580), (31, 16722680), (40, 12960077), (52, 9969290), (62, 8361340), (65, 7975432), (104, 4984645), (124, 4180670), (130, 3987716), (155, 3344536), (248, 2090335), (260, 1993858), (310, 1672268), (403, 1286360), (520, 996929), (620, 836134), (806, 643180), (1240, 418067), (1612, 321590), (2015, 257272), (3224, 160795), (4030, 128636), (8060, 64318), (16120, 32159)]